In the 1990s "Object-Oriented Ontology" was introduced by Graham Harman [1]. The name was borrowed from computing, but its meaning has little or nothing to do with Simula or Smalltalk.

[1] https://en.wikipedia.org/wiki/Graham_Harman

This is very interesting especially in the terms of what I think some call a "rabbit hole",

but we could be curious on how and why you saw misuse.

The OOO/"Speculative Realism" crowd are loony charlatans who make the current post-modern neo marxist politburo who runs the humanities parts of academia look downright sane.

My response to unironic OOO believers is that we must wage war on objects:

https://en.wikipedia.org/wiki/Resistentialism